Its a mix of an extra combat steps card with an anthem, and you can blink it later to get more benefits
Shadowless cards, on the other hand, offer a glimpse into the earliest print runs, lacking the shadowed border of later editions
Finally we get a board wipe that misses enchantment creatures and can become an enchantment creature itself, with Cacophony UnleashedCacophony Unleashed
However, we're getting this card not because of synergy reasons, but rather flavor ones, and there's nothing wrong with that
Storytime plays Karmic Guide because the Goblin Bombardment combo doesnt work with Young Necromancer, but I dont think this deck cares about Young Necromancers cost very often and its nice not to have to pay echo, but its entirely possible that Karmic Guides better